A Moment of Science
Ridges help sharks in the water, but shark-skin suits don't help Olympic hopefuls. So why did so many swimmers wear them at the Olympics?
Even the ancient Greeks used performance enhancers in the form of leaden and stone hand weights called halteres, which weighed between four and twenty pounds. The proof is plain to see on many ancient Greek urns depicting Olympic athletes clutching these objects as they compete in the long jump.
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